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Vitamin D 25-Hydroxy, D2 + D3
MessageTesting is performed at Esoterix Endocrinology Laboratory: ES#500337
Test Code
500116
CPT Codes
82306
Preferred Specimen
Serum (preferred) or plasma
Minimum Volume
0.5 mL (NOTE:This volume does NOT allow for repeat testing.)
Instructions
Serum/plasma must be separated from cells within 45 minutes of venipuncture. Send serum/plasma in a plastic transport tube.
Transport Container
Red-top tube, gel-barrier tube, lavender-top (EDTA) tube or green-top (heparin) tube
Transport Temperature
FREEZE Stability: Room temperature up to 7 days Refrigerated up to 7 days Frozen up to 34 months
Specimen Stability
Room temp/Refrigerated: 7 days; Frozen: 34 months
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS/MS)
